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Add precipitable clouds in microwave all-sky assimilations #63

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Jan 16, 2025
Merged

Add precipitable clouds in microwave all-sky assimilations #63

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35e7a92
Add rain, snow, and graupel clouds for CRTM inputs.
jianjunj Jan 14, 2025
d6bbc23
Associate clouds for CRTM with the sensor.
jianjunj Jan 15, 2025
5be3200
Corrected the anchor of Clouds.
jianjunj Jan 16, 2025
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43 changes: 43 additions & 0 deletions observation_chronicle/atmosphere/atms_n21.yaml
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Original file line number Diff line number Diff line change
@@ -0,0 +1,43 @@
# Instrument metadata
# -------------------
commissioned: 2023-05-01T12:00:00

observer_type: satellite # Type of chronicle to use

# Instrument initial configuration
# --------------------------------
channel_variables:
simulated: min
active: min
biascorrtd: min
error: max
error_cld: max
ermax: max
var_b: min
var_pg: min
icld_det: min
icloud: min
iaerosol: min
channel_values:
1: [ 1, 1, 1, 4.50, 20.00, 4.50, 10.00, 0.00, -2, 1, -1 ]
2: [ 1, 1, 1, 4.50, 25.00, 4.50, 10.00, 0.00, -2, 1, -1 ]
3: [ 1, 1, 1, 4.50, 12.00, 3.00, 10.00, 0.00, -2, 1, -1 ]
4: [ 1, 1, 1, 2.50, 7.00, 3.00, 10.00, 0.00, -2, 1, -1 ]
5: [ 1, 1, 1, 0.55, 3.50, 1.00, 10.00, 0.00, -2, 1, -1 ]
6: [ 1, 1, 1, 0.30, 3.00, 1.00, 10.00, 0.00, -2, 1, -1 ]
7: [ 1, 1, 1, 0.30, 0.80, 1.00, 10.00, 0.00, -2, 1, -1 ]
8: [ 1, 1, 1, 0.40, 0.40, 1.00, 10.00, 0.00, -2, 1, -1 ]
9: [ 1, 1, 1, 0.40, 0.40, 1.00, 10.00, 0.00, -2, 1, -1 ]
10: [ 1, 1, 1, 0.40, 0.40, 1.00, 10.00, 0.00, -2, 1, -1 ]
11: [ 1, 1, 1, 0.45, 0.45, 1.00, 10.00, 0.00, -2, 1, -1 ]
12: [ 1, 1, 1, 0.45, 0.45, 1.00, 10.00, 0.00, -2, 1, -1 ]
13: [ 1, 1, 1, 0.55, 0.55, 1.00, 10.00, 0.00, -2, 1, -1 ]
14: [ 1, 1, 1, 0.80, 0.80, 2.00, 10.00, 0.00, -2, 1, -1 ]
15: [ 1, 1, 0, 4.00, 4.00, 4.50, 10.00, 0.00, -2, 1, -1 ]
16: [ 1, 1, 1, 4.00, 19.00, 4.50, 10.00, 0.00, -2, 1, -1 ]
17: [ 1, 1, 1, 4.00, 30.00, 2.00, 10.00, 0.00, -2, 1, -1 ]
18: [ 1, 1, 1, 3.50, 25.00, 2.00, 10.00, 0.00, -2, 1, -1 ]
19: [ 1, 1, 1, 3.00, 16.50, 2.00, 10.00, 0.00, -2, 1, -1 ]
20: [ 1, 1, 1, 3.00, 12.00, 2.00, 10.00, 0.00, -2, 1, -1 ]
21: [ 1, 1, 1, 3.00, 9.00, 2.00, 10.00, 0.00, -2, 1, -1 ]
22: [ 1, 1, 1, 3.00, 6.50, 2.00, 10.00, 0.00, -2, 1, -1 ]
142 changes: 137 additions & 5 deletions observations/atmosphere/amsua_n19.yaml.j2
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Original file line number Diff line number Diff line change
Expand Up @@ -21,9 +21,10 @@
# --------------------
obs operator:
name: CRTM
Absorbers: [H2O, O3]
Clouds: [Water, Ice]
Cloud_Fraction: 1.0
Absorbers: [H2O, O3, CO2]
Clouds: &Clouds_in_amsua_n19_operator [Water, Ice, Rain, Snow, Graupel]
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# Cloud_Fraction: 1.0
Cloud_Seeding: true
obs options:
Sensor_ID: &{{observation_from_jcb}}_sensor_id amsua_n19
EndianType: little_endian
Expand All @@ -34,6 +35,8 @@
obs bias:
input file: "{{atmosphere_obsbiasin_path}}/{{atmosphere_obsbiasin_prefix}}{{observation_from_jcb}}{{atmosphere_obsbiasin_suffix}}"
output file: "{{atmosphere_obsbiasout_path}}/{{atmosphere_obsbiasout_prefix}}{{observation_from_jcb}}{{atmosphere_obsbiasout_suffix}}"
variables without bc: [brightnessTemperature]
channels: &{{observation_from_jcb}}_not_bias_corrected {{ get_satellite_variable(observation_from_jcb, "not_biascorrtd") }}
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variational bc:
predictors:
- name: constant
Expand Down Expand Up @@ -64,7 +67,25 @@

# Observation Filters (QC)
# ------------------------
obs filters:
obs prior filters:
# Zero Atmospheric clouds in CRTM where water_area_fraction < 0.99
- filter: Variable Assignment
assignments:
- name: MetaData/zeroCloudInCRTM
type: int
function:
name: ObsFunction/Conditional
options:
# firstmatchingcase: false
defaultvalue: 0 # Will not zero clouds by default
cases:
- where:
- variable:
name: GeoVaLs/water_area_fraction
maxvalue: 0.99
value: 1 # Will zero clouds by default

obs post filters:
- filter: BlackList
filter variables:
- name: brightnessTemperature
Expand Down Expand Up @@ -124,6 +145,7 @@
channels: *{{observation_from_jcb}}_simulated_channels
options:
channels: *{{observation_from_jcb}}_simulated_channels
Clouds: *Clouds_in_amsua_n19_operator
obserr_clearsky: *{{observation_from_jcb}}_err0
clwret_function:
name: ObsFunction/CLWRetMW
Expand Down Expand Up @@ -301,6 +323,8 @@
x1: *{{observation_from_jcb}}_x1
err0: *{{observation_from_jcb}}_err0
err1: *{{observation_from_jcb}}_err1
threshold: 3
threshold_precip: 2.5
obserr_bound_max: [{{ get_satellite_variable(observation_from_jcb, "ermax") }}]
action:
name: reject
Expand Down Expand Up @@ -334,8 +358,116 @@
minvalue: 1.0e-12
action:
name: reject
# Column liquid cloud
- filter: Variable Assignment
assignments:
- name: DerivedMetaData/ColumnLiquidCloud
type: float
function:
name: TotalColumnCloudGuess@ObsFunction
options:
cloud_content: mass_content_of_cloud_liquid_water_in_atmosphere_layer
# Column ice cloud
- filter: Variable Assignment
assignments:
- name: DerivedMetaData/ColumnIceCloud
type: float
function:
name: TotalColumnCloudGuess@ObsFunction
options:
cloud_content: mass_content_of_cloud_ice_in_atmosphere_layer
# Combined ColumnLiquidCloud + ColumnIceCloud
- filter: Variable Assignment
assignments:
- name: DerivedMetaData/ColumnLiquidIceCloud
type: float
function:
name: ObsFunction/Arithmetic
options:
variables:
- name: DerivedMetaData/ColumnLiquidCloud
- name: DerivedMetaData/ColumnIceCloud
coefs: [1, 1]
# replace zero by 1e-7 in DerivedMetaData/ColumnLiquidIceCloud
- filter: Variable Assignment
assignments:
- name: DerivedMetaData/ColumnLiquidIceCloud
type: float
value: 1.0e-7
where:
- variable:
name: DerivedMetaData/ColumnLiquidIceCloud
maxvalue: 1.0e-8


# ratio of liquid /(Liquid+Ice)
- filter: Variable Assignment
assignments:
- name: DerivedMetaData/ColumnRatioLiquidCloud
type: float
function:
name: ObsFunction/ElementMultiply
options:
variables:
- name: DerivedMetaData/ColumnLiquidCloud
- name: DerivedMetaData/ColumnLiquidIceCloud
exponents: [1,-1]
# TotalColumnVaporGuess
- filter: Variable Assignment
assignments:
- name: DerivedMetaData/TotalColumnVaporGuess
type: float
function:
name: ObsFunction/TotalColumnVaporGuess
# potentialTemperature at surface
- filter: Variable Assignment
assignments:
- name: DerivedMetaData/PotentialTemperatureSurface
type: float
function:
name: PotentialTemperatureGuess2D@ObsFunction
options:
approximate pressure: surface_pressure
# potentialTemperature near 700 hPa
- filter: Variable Assignment
assignments:
- name: DerivedMetaData/PotentialTemperatureAt700hPa
type: float
function:
name: PotentialTemperatureGuess2D@ObsFunction
options:
approximate pressure: 70000.0
# stability = Difference between PotentialTemperatur values
- filter: Variable Assignment
assignments:
- name: DerivedMetaData/PotentialTemperatureDiff
type: float
function:
name: ObsFunction/Arithmetic
options:
variables:
- name: DerivedMetaData/PotentialTemperatureAt700hPa
- name: DerivedMetaData/PotentialTemperatureSurface
coefs: [1, -1]
## cao_check
- filter: BlackList
filter variables:
- name: brightnessTemperature
channels: 1-6, 15
where:
- variable:
name: ObsFunction/TotalColumnVaporGuess
maxvalue: 8.0
- variable:
name: DerivedMetaData/ColumnRatioLiquidCloud
maxvalue: 0.5
- variable:
name: DerivedMetaData/ColumnLiquidIceCloud
minvalue: 1.0e-6
- variable:
name: DerivedMetaData/PotentialTemperatureDiff
maxvalue: 12.0
action:
name: reject
# GeoVaLs for Driving Observation Operators (testing mode)
# --------------------------------------------------------
geovals:
Expand Down
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